import { ISubscription } from './Subscription';
export interface IObservableEvent {
    readonly type: EventType;
    readonly time: number;
}
export declare enum EventType {
    next = "NEXT",
    error = "ERROR",
    complete = "COMPLETE",
    start = "START",
    end = "END"
}
export declare class EventNext<T> implements IObservableEvent {
    time: number;
    value: T;
    type: EventType;
    constructor(time: number, value: T);
}
export declare class EventError implements IObservableEvent {
    time: number;
    value: Error;
    type: EventType;
    constructor(time: number, value: Error);
}
export declare class EventComplete implements IObservableEvent {
    time: number;
    type: EventType;
    constructor(time: number);
}
export declare class EventEnd implements IObservableEvent {
    time: number;
    subscription: ISubscription;
    type: EventType;
    constructor(time: number, subscription: ISubscription);
}
export declare class EventStart implements IObservableEvent {
    time: number;
    subscription: ISubscription;
    type: EventType;
    constructor(time: number, subscription: ISubscription);
}
export declare const EVENT: {
    next<T>(time: number, value: T): EventNext<T>;
    error(time: number, value: Error): EventError;
    complete(time: number): EventComplete;
    start(time: number, subscription: ISubscription): EventStart;
    end(time: number, subscription: ISubscription): EventEnd;
};